Overview
ETE SAO LOURENCO DA SERRA is a secondary treatment plant serving 3,854 people in São Lourenço da Serra, São Paulo, Brazil. It discharges 521.02 cubic meters of treated wastewater daily.
ETE SAO LOURENCO DA SERRA is a municipal wastewater treatment plant located in São Lourenço da Serra, within the Metropolitan Region of São Paulo, Brazil. The plant serves a population of 3,854 residents, reflecting its role in managing wastewater for a small community in the state of São Paulo. The plant provides secondary treatment, which is the standard biological treatment process required under Brazilian regulations (CONAMA 430/2011) for most inland water bodies. With a daily discharge volume of 521.02 cubic meters, the plant operates at a scale consistent with its small population base. Brazilian environmental laws mandate that such facilities meet effluent quality standards to protect receiving waters. The treated effluent is discharged into local watercourses that drain into the Rio Grande, a tributary of the Paraná River basin. This basin supports diverse aquatic ecosystems and provides water for agriculture and urban use downstream. The plant's operation helps maintain water quality in the region's sensitive watershed.
Environmental context
The plant discharges into local streams that flow into the Rio Grande, part of the Paraná River basin, which ultimately reaches the Río de la Plata estuary. This watershed supports a variety of aquatic life and is important for regional water supply. The secondary treatment process reduces organic pollutants and nutrients, helping to protect downstream ecosystems from eutrophication and contamination.
Frequently asked questions
The plant is located in São Lourenço da Serra, in the state of São Paulo, Brazil, within the Metropolitan Region of São Paulo.
The plant serves approximately 3,854 residents, making it a small-scale municipal wastewater treatment facility.
The plant discharges treated effluent into local watercourses that flow into the Rio Grande, part of the Paraná River basin, eventually reaching the Río de la Plata estuary.
The plant provides secondary treatment, which is the standard biological treatment required under Brazilian regulations (CONAMA 430/2011) for inland water bodies to reduce organic matter and nutrients.
The plant operates under Brazilian environmental laws, including CONAMA Resolution 430/2011, which sets effluent discharge standards. For small agglomerations like this, secondary treatment is typically sufficient to meet water quality objectives.
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